198875480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1913}}^1$

素因数の和:2060

約数の個数: 64

約数和(自身を含む): 471303360

約数和(自身を除く): 272427880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 113, 115, 184, 226, 230, 452, 460, 565, 904, 920, 1130, 1913, 2260, 2599, 3826, 4520, 5198, 7652, 9565, 10396, 12995, 15304, 19130, 20792, 25990, 38260, 43999, 51980, 76520, 87998, 103960, 175996, 216169, 219995, 351992, 432338, 439990, 864676, 879980, 1080845, 1729352, 1759960, 2161690, 4323380, 4971887, 8646760, 9943774, 19887548, 24859435, 39775096, 49718870, 99437740, 198875480]

約数ペア:

[(1, 198875480), (2, 99437740), (4, 49718870), (5, 39775096), (8, 24859435), (10, 19887548), (20, 9943774), (23, 8646760), (40, 4971887), (46, 4323380), (92, 2161690), (113, 1759960), (115, 1729352), (184, 1080845), (226, 879980), (230, 864676), (452, 439990), (460, 432338), (565, 351992), (904, 219995), (920, 216169), (1130, 175996), (1913, 103960), (2260, 87998), (2599, 76520), (3826, 51980), (4520, 43999), (5198, 38260), (7652, 25990), (9565, 20792), (10396, 19130), (12995, 15304)]